Mirror support shaft



FIG. 1 is a perspective view of the mirror support shaft, showing our new design;

FIG. 2 is a top plan view hereof;

FIG. 3 is a bottom plan view hereof;

FIG. 4 is a first side elevation view hereof;

FIG. 5 is a rear elevation view hereof;

FIG. 6 is a second elevation view hereof, as seen from the side opposite that of FIG. 4; and,

FIG. 7 is a front view hereof.

The broken line showing of environmental structure in FIG. 1 of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mirror support shaft, as shown and described. 